{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930003402},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004379","493:4930003753","493:4930001054","493:4930003233","488:4880000470","480:4800004892","493:4930000946","469:4690001496","493:4930001166","496:4960006552","493:4930000640","496:4960006936","493:4930003755","493:4930003939","481:4810004160","480:4800004977","480:4800004459","480:4800004429","480:4800003865","493:4930003414","493:4930004086","493:4930001889","493:4930004813","493:4930001055","469:4690001592"],"twin_admin_codes":[480,493,493,493,488,480,493,469,493,496,493,496,493,493,481,480,480,480,480,493,493,493,493,493,469],"twin_sims":[0.5179780351345081,0.4684629269773105,0.46463256745231035,0.43682797008309426,0.43431808055890725,0.41762983527928926,0.41440573445205714,0.41115930096989267,0.4022444565907123,0.3615075003667139,0.35815766999695486,0.3580831637973151,0.35448424234076853,0.3395924340655785,0.33819010779588954,0.3295509463846824,0.3287451968851506,0.32833240136910274,0.3228928423592204,0.3184867064249316,0.3137128757971552,0.3101151400799904,0.3082186852299917,0.30632053366937534,0.30534460392318286],"twin_dists":[0.1489680683571721,0.15994066172780655,0.16080416484577875,0.1671516259645519,0.167732094232611,0.1716270392089078,0.1723870161102836,0.17315484504081535,0.17527718326824548,0.1852679012564444,0.18611353627288604,0.18613239060120937,0.18704554000478782,0.1908765391791739,0.19124185547908354,0.1935107476702068,0.1937240090933975,0.1938333770335611,0.1952817225048388,0.1964649058075566,0.1977572782252543,0.19873866033893753,0.19925859464227522,0.19978083993066204,0.20005007802336758],"n_dims_used":45,"mean_confidence":0.9260033501519097},"coverage":{"mean_confidence":0.9260033501519097,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}